Home / 4,721.14-6,515.31-2,732.32

Finding the Fourth Proportional to 4,721.14, 6,515.31 and 2,732.32

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Solution

The fourth proportional to 4,721.14, 6,515.31 and 2,732.32 is: 3,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.14 : 6,515.31 = 2,732.32 : x
  2. Step 2: Convert to fraction form
    4,721.14/6,515.31 = 2,732.32/x
  3. Step 3: Cross multiply
    4,721.14x = 6,515.31 × 2,732.32
  4. Step 4: Simplify right side
    4,721.14x = 17,801,911.82
  5. Step 5: Solve for x
    x = 17,801,911.82/4,721.14
  6. Step 6: Final answer
    x = 3,770.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.